Ukuqhumisa i-sandblasting kuwumsebenzi osebenzisa umoya ocindezelwe njengamandla okusunduza ama-abrasives ebusweni bento yokusebenza ukuze icutshungulwe. Lokhu kubizwa ngokuthi ukuqhumisa i-sandblasting, okuyinto esivame ukuyibiza ngokuthi ukuqhumisa i-shot. Ngoba ezinsukwini zokuqala zokuqhumisa i-shot, isihlabathi kwakuyisona kuphela isiqhumisa esasingasetshenziswa, ngakho ukuqhumisa i-shot kwakubizwa ngokuthi ukuqhumisa i-sand ngaleso sikhathi futhi isikhathi eside ngemva kwalokho. Ukuqhumisa i-sandblasting kungenza indawo ezohlanzwa ithole ukuhlanzeka okudingekayo kanye nobulukhuni obuthile, futhi kuthuthukise ukunamathela kwengubo ebusweni obuyisisekelo. Kungakhathaliseki ukuthi ingubo inhle kangakanani, ayikwazi ukunamatheliswa ebusweni bento yokusebenza ngaphandle kokwelashwa kwendawo isikhathi eside. Inhloso yokwelashwa kwangaphambili kwendawo ukuhlanza indawo nokukhiqiza ubulukhuni obudingekayo ukuze “kuboshwe” ingubo ebusweni. Ngemva kokuba ubuso bento yokusebenza eqhumisa i-sandblasting bumbozwe ngengubo yezimboni esebenza kahle, impilo yenkonzo yengubo iphindwe izikhathi ezingu-3.5 kunokuphila kwenkonzo yengubo yekhwalithi efanayo ebusweni obuphathwe ngezinye izindlela. Enye inzuzo yokuqhuma kwesihlabathi (ukuqhuma ngokudubula) ukuthi ukugoba kobuso kunganqunywa kusengaphambili ngokwezidingo futhi kungafinyelelwa ngesikhathi senqubo yokuhlanza.
Isibonelo, i-Frosting inqubo laphoibhodlela lengilazi yobuhlekuba bushelelezi futhi kube matte. Ukukhanya kukhanyisa ubuso ukuze kwakheke ukubonakaliswa okusabalele. Ekuqandeni kwamakhemikhali, ingilazi igaywa ngomshini noma igaywe ngesandla nge-emery, isihlabathi se-silica, i-pomegranate powder kanye nezinye izinto ezisusayo ukuze kwakheke ubuso obuqinile, noma ingilazi nezinye izinto zingaphathwa ngesisombululo se-hydrofluoric acid ukuze kwakheke ingilazi eqandisiwe.
Kokubili i-frosting kanye ne-sandblasting kusetshenziselwa ukumboza ubuso bengilazi, ukuze ukukhanya kusabalale ngokulinganayo ngemva kokudlula emthunzini wesibani. Kunzima kubasebenzisi abavamile ukuhlukanisa phakathi kwalezi zobuchwepheshe ezimbili. Okulandelayo kuchaza izindlela zokukhiqiza zalezi zobuchwepheshe ezimbili kanye nendlela yokuzibona.
1. Inqubo yokuqandisa
I-Frosting ibhekisela ekucwiliseni ingilazi oketshezini lwe-asidi olulungisiwe (noma ukufaka i-acid paste), ukugqwala ubuso bengilazi nge-asidi enamandla, kanti i-hydrogen fluoride ammonia esixazululweni se-asidi enamandla kubangela ukuthi ubuso bengilazi bakhe amakristalu. Ngakho-ke, uma inqubo ye-frosting yenziwe kahle, ubuso bengilazi eqandisiwe bubushelelezi kakhulu, futhi amakristalu ahlakazekile akhiqiza umphumela ofiphele. Uma ubuso buqinile, lokhu kubonisa ukuthi i-asidi iguguza kakhulu ingilazi, noma amanye awo asenawo amakristalu. Isici sale nqubo ukubonakala kwamakristalu acwebezelayo ebusweni bengilazi obakhiwe ngaphansi kwezimo ezibucayi. Isizathu esiyinhloko ukuthi i-hydrogen fluoride ammonia isicishe yasetshenziswa. Ukuze kufezwe lesi simo, abakhiqizi abaningi benze imizamo eminingi kanye nezifundo, kodwa abakwazanga ukunqoba lobu bunzima.
2Ubuchwepheshe bokuqhumisa isihlabathi
Isebenzisa izinhlayiya zesihlabathi ezikhishwa yi-spray gun ngesivinini esikhulu ukuze ishaye ubuso bengilazi ukuze yakhe ubuso obungalingani kahle, ngaleyo ndlela ifinyelele umphumela wokukhanya okuhlakazayo, futhi yakhe umuzwa ofiphele lapho ukukhanya kudlula. Ubuso bemikhiqizo yengilazi ekhiqizwa yinqubo yokuqhuma kwesihlabathi buqinile. Ngenxa yokuthi ubuso bengilazi bonakalisiwe, bubukeka njengengilazi emhlophe ngokwe-photosensitivity yengilazi yokuqala esobala.
Lezi zinqubo ezimbili zihluke ngokuphelele. Ingilazi eqandisiwe ibiza kakhulu kunengilazi eqandisiwe, futhi umphumela uncike kakhulu ezidingweni zabasebenzisi. Ezinye izibuko ezihlukile azifaneleki ukuqandisa. Uma sibheka ukuphishekela okuhle, kufanele kukhethwe i-matte. Inqubo yokuqandisa ingenziwa ezimbonini ezijwayelekile, kodwa inqubo yokuqandisa i-sandblasting akulula ukuyenza kahle.
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Isikhathi sokuthunyelwe: Agasti-25-2021